Collapsible enclosure



FIG. 1 is a perspective view of the collapsible enclosure showing my new design;

FIG. 2 is a front elevational view of the collapsible enclosure of FIG. 1;

FIG. 3 is a rear elevational view of the collapsible enclosure of FIG. 1;

FIG. 4 is a side elevational view of the collapsible enclosure of FIG. 1, the opposite side being a mirror image thereof;

FIG. 5 is a top plan view of the collapsible enclosure of FIG. 1; and,

FIG. 6 is a bottom plan view of the collapsible enclosure of FIG. 1.

The broken lines showing additional detail are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a collapsible enclosure, as shown and described. 